The most tragic thing in the world is a man of genius who is not also a man of honor.
Use your health, even to the point of wearing it out. That is what it is for. Spend all you have before you die; and do not outlive yourself.
The truth is, hardly any of us have ethical energy enough for more than one really inflexible point of honor.
Science becomes dangerous only when it imagines that it has reached its goal.
No man who is occupied in doing a very difficult thing, and doing it very well, ever loses his self-respect.
Life does not cease to be funny when people die any more than it ceases to be serious when people laugh.
It’s easier to replace a dead man than a good picture.
Fashions, after all, are only induced epidemics.
A life spent in making mistakes is not only more honorable but more useful than a life spent doing nothing.
